diff --git a/mozilla/gc/boehm/leaksoup/leaksoup.java b/mozilla/gc/boehm/leaksoup/leaksoup.java
index 2c555e0a45a..5f0e085ff99 100644
--- a/mozilla/gc/boehm/leaksoup/leaksoup.java
+++ b/mozilla/gc/boehm/leaksoup/leaksoup.java
@@ -355,8 +355,10 @@ public class leaksoup {
 		int leftBracket = line.indexOf('[');
 		if (leftBracket == -1)
 			return line;
-		int comma = line.indexOf(',', leftBracket + 1);
 		int rightBracket = line.indexOf(']', leftBracket + 1);
+		if (rightBracket == -1)
+			return line;
+		int comma = line.indexOf(',', leftBracket + 1);
 		String macPath = line.substring(leftBracket + 1, comma);
 		String path = macPath.replace(':', '/');
 		
diff --git a/mozilla/gc/boehm/leaksoup/tracesoup.java b/mozilla/gc/boehm/leaksoup/tracesoup.java
index c4fbd3ddefb..71b91f7a31c 100755
--- a/mozilla/gc/boehm/leaksoup/tracesoup.java
+++ b/mozilla/gc/boehm/leaksoup/tracesoup.java
@@ -128,8 +128,10 @@ public class tracesoup {
 		int leftBracket = line.indexOf('[');
 		if (leftBracket == -1)
 			return line;
-		int comma = line.indexOf(',', leftBracket + 1);
 		int rightBracket = line.indexOf(']', leftBracket + 1);
+		if (rightBracket == -1)
+			return line;
+		int comma = line.indexOf(',', leftBracket + 1);
 		String macPath = line.substring(leftBracket + 1, comma);
 		String path = macPath.replace(':', '/');